element.style {
    width: 500px;
    border-radius: 6px;
    margin-left: -250px;
    margin-top: -123px;
    transform: scale(1, 1);
    opacity: 1;
}

.helper-dialog-wrapper {
    position: fixed;
    top: 50%;
    left: 50%;
    background: #fff;
    overflow: hidden;
    box-shadow: rgba(0,0,0,.14) 0 0 15px;
    transform: scale(0.88);
    opacity: 0;
}

* {
    margin: 0;
    padding: 0;
    outline: 0;
    background: transparent;
    font-family: -apple-system,BlinkMacSystemFont,"Helvetica Neue",Helvetica,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
}

div {
    display: block;
}

.helper-dialog-header {
    overflow: hidden;
}

.helper-dialog-title {
    display: block;
    float: left;
    width: calc(100% - 65px);
    padding: 15px;
    font-size: 16px;
    font-weight: bold;
    word-break: break-all;
    cursor: default;
}

.helper-dialog-close {
    display: block;
    float: right;
    width: 20px;
    height: 20px;
    line-height: 20px;
    margin: 15px 13px 0 0;
    font-style: normal;
    text-align: center;
    cursor: pointer;
    opacity: .7;
    transition: .2s;
}

.helper-dialog-content {
    position: relative;
    border-top: #e5e5e5 solid 1px;
    border-bottom: #e5e5e5 solid 1px;
    padding: 15px 0;
    min-height: 100px;
    font-size: 14px;
    line-height: 160%;
    overflow: auto;
    color: #292929;
}

.helper-dialog-content>div {
   margin-left: 30px;
}

.helper-dialog-content p {
   margin-bottom: 10px;
}



.helper-dialog-footer {
    height: 32px;
    padding: 15px 0;
    box-sizing: content-box;
}

.helper-noselect {
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
}

div.helper-dialog-yes {
    background: #2285ee;
    color: #fff;
    border: #2285ee solid 1px;
    margin-left: 12px;
    margin-right: 15px;
}

.helper-dialog-no {
    display:none;
    color: #777;
    border: #e5e5e5 solid 1px;
}

.helper-dialog-footer>div {
    float: right;
    height: 32px;
    line-height: 32px;
    font-size: 14px;
    cursor: pointer;
    padding: 0 15px;
    border-radius: 4px;
    transition: .2s;
}